1 files changed, 48 insertions, 0 deletions

diff --git a/arch/um/include/tt/uaccess-tt.h b/arch/um/include/tt/uaccess-tt.h
new file mode 100644
index 000000000000..b19645f32f24
--- /dev/null
+++ b/arch/um/include/tt/uaccess-tt.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __TT_UACCESS_H
+#define __TT_UACCESS_H
+
+#include "linux/string.h"
+#include "linux/sched.h"
+#include "asm/processor.h"
+#include "asm/errno.h"
+#include "asm/current.h"
+#include "asm/a.out.h"
+#include "uml_uaccess.h"
+
+#define ABOVE_KMEM (16 * 1024 * 1024)
+
+extern unsigned long end_vm;
+extern unsigned long uml_physmem;
+
+#define is_stack(addr, size) \
+        (((unsigned long) (addr) < STACK_TOP) && \
+         ((unsigned long) (addr) >= STACK_TOP - ABOVE_KMEM) && \
+         (((unsigned long) (addr) + (size)) <= STACK_TOP))
+
+#define access_ok_tt(type, addr, size) \
+        (is_stack(addr, size))
+
+extern unsigned long get_fault_addr(void);
+
+extern int __do_copy_from_user(void *to, const void *from, int n,
+                               void **fault_addr, void **fault_catcher);
+extern int __do_strncpy_from_user(char *dst, const char *src, size_t n,
+                                  void **fault_addr, void **fault_catcher);
+extern int __do_clear_user(void *mem, size_t len, void **fault_addr,
+                           void **fault_catcher);
+extern int __do_strnlen_user(const char *str, unsigned long n,
+                             void **fault_addr, void **fault_catcher);
+
+extern int copy_from_user_tt(void *to, const void __user *from, int n);
+extern int copy_to_user_tt(void __user *to, const void *from, int n);
+extern int strncpy_from_user_tt(char *dst, const char __user *src, int count);
+extern int __clear_user_tt(void __user *mem, int len);
+extern int clear_user_tt(void __user *mem, int len);
+extern int strnlen_user_tt(const void __user *str, int len);
+
+#endif